The National Geographic Magazine, Volume 210, Issues 4-6National Geographic Society., 2006 - Geography |
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Page 115
... embryo develops . The early embryos of three different vertebrates - a fish , a chicken , and a human - look much the same . But genes active in corresponding parts of the embryos ( red ) guide develop- ment down different paths ...
... embryo develops . The early embryos of three different vertebrates - a fish , a chicken , and a human - look much the same . But genes active in corresponding parts of the embryos ( red ) guide develop- ment down different paths ...
Page 144
... embryos , prompting them to hatch up to two days early . It's a frantic struggle out of the egg membrane and into water , but when a clutch is assaulted , some 80 percent of tadpoles ( left ) make the escape . once that snakes and wasps ...
... embryos , prompting them to hatch up to two days early . It's a frantic struggle out of the egg membrane and into water , but when a clutch is assaulted , some 80 percent of tadpoles ( left ) make the escape . once that snakes and wasps ...
Page 146
... embryos sense danger and make their Houdini- like escape is still a mystery . What happens to the embryos after the fall ? No pocket of rain forest is benign , and having squeezed from egg membrane into waiting pond and dropped to the ...
... embryos sense danger and make their Houdini- like escape is still a mystery . What happens to the embryos after the fall ? No pocket of rain forest is benign , and having squeezed from egg membrane into waiting pond and dropped to the ...
Contents
بنک نگارا مليسيا | 24 |
Features | 84 |
VISIONS OF EARTH 14 Bailey Colorado | |
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